Effect of active vitamin D treatment on development of type 2 diabetes: DPVD randomised controlled trial in Japanese population.

Objective: To assess whether eldecalcitol, an active vitamin D analogue, can reduce the development of type 2 diabetes among adults with impaired glucose tolerance.

Design: Double blinded, multicentre, randomised, placebo controlled trial.

Setting: Three hospitals in Japan, between June 2013 and August 2019.

Increasing trend of asymptomatic hyperuricemia under treatment with urate-lowering drugs in Japan.

To describe recent trends in the prevalence of gout and asymptomatic hyperuricemia regarding urate-lowering treatment (ULT) in Japan. A database of health insurance claims managed by the Japan Medical Data Center was used to estimate the annual prevalence of gout and asymptomatic hyperuricemia during 2010-2014. ULT was evaluated for status of the two diseases during the same period.

Corrigendum: direct adjustment for confounding by smoking reduces radiation-related cancer risk estimates of mortality among male nuclear workers in Japan, 1999-2010.

We found some trivial errors which might confuse reader. The errors can be identified as the following two types. (1) The one is that misuse of "ERR" and "ERR/Sv".